Question: Given a normal distribution with = 100 and = 10, if you select a sample of n = 25, what is the probability

Given a normal distribution with μ = 100 and σ = 10, if you select a sample of n = 25, what is the probability that X̅ is

a. Less than 95?

b. Between 95 and 97.5?

c. Above 102.2?

d. There is a 65% chance that X̅ is above what value?

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PHstat output a P X 95 PZ 250 00062 b P95 X 975 P 250 Z 125 01056 00062 ... View full answer

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